CN204926806U - Carry out locking body and molecular sieve device - Google Patents
Carry out locking body and molecular sieve device Download PDFInfo
- Publication number
- CN204926806U CN204926806U CN201520646788.3U CN201520646788U CN204926806U CN 204926806 U CN204926806 U CN 204926806U CN 201520646788 U CN201520646788 U CN 201520646788U CN 204926806 U CN204926806 U CN 204926806U
- Authority
- CN
- China
- Prior art keywords
- pilot hole
- molecular sieve
- keeper
- groove
- locking mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a nuclear power field especially relates to a high temperature gas cooled and piles the molecular sieve device of sample usefulness and carry out locking body. A carry out locking body, includes: setting element axial direction distribution, recessed is being treated to the locating hole treat in the lateral wall of setting element, the setting element has nose, and this nose can stretch into it will to come in the locating hole it dies and breaks away from to treat the setting element lock it will to come in the locating hole treat the setting element unblock. The utility model discloses a setting element of carrying out locking body can stretch into and come will in the locating hole it dies and breaks away from to treat the setting element lock it will to come in the locating hole execution locking body treats the setting element unblock, in just can be fixed in the sample bucket with molecular sieve device when the sample like this to accomplishing, the sample make molecular sieve device break away from the sample bucket after.
Description
Technical field
The utility model relates to nuclear power field, particularly relates to the molecular sieve device of a kind of high temperature gas cooled reactor sampling and performs locking mechanism.
Background technology
From the sixties in 20th century, Britain, the U.S. and Germany start to research and develop high temperature gas cooled reactor.1964, the first in the world seat high temperature gas cooled reactor dragon (Dragon, 20MWth) of Britain and European Community's cooperative construction pile build up critical.Thereafter, Germany has built up the nuclear power prototype reactor THTR-300 of high temperature gas-cooled test reactor AVR and 300MWe of 15MWe.The U.S. has built up experiment high temperature gas cooled reactor peach blossom paddy (Peach-Bottom) heap of 40MWe and Sheng Fulunbao (Fort.St.Vrain) the nuclear power prototype reactor of 330MWe.In the end of the year 2002, " the 4th generation of technology such as nuclear energy system international symposium " and USDOE combine and have issued " the 4th generation of technology such as nuclear energy system Technology Roadmap ", have chosen comprise very high temperature gas cooled reactor six center reactor types as the research emphasis in future.High temperature gas cooled reactor is the safe heap-type of internationally recognized one, it is an important development direction of following trap nuclear power system, at the beginning of 2006, in National Program for Medium-to Long-term Scientific and Technological Development, large pressurized water reactor and HTGR Nuclear Power Plant are classified as one of major scientific and technological project, high temperature gas cooled reactor is the nuclear power technology with generation Ⅳ security feature, is thought most possibly to take the lead in the 4th generation of technology such as nuclear energy system realizing business-like technology by the world.
High temperature gas cooled reactor is the advanced heap-type with forth generation feature, and due to the graphite dust that carrier band in its cooling medium is a considerable number of, enriched radioactive nuclide on graphite dust is the source that high temperature gas cooled reactor radioactivity produces.If directly can measure it, namely the firsthand data obtaining high temperature gas cooled reactor radioactive level is equivalent to, for the radiation safety characteristic of researching high-temperature gas-cooled reactor provides the firsthand material, significant for the integral radiation feature of this forth generation reactor of grasp under various operating mode.
Utility model content
An object of the present utility model will provide a kind of molecular sieve device can be fixed in sample bucket when sampling, and molecular sieve device can be made after having sampled to depart from the execution locking mechanism of sample bucket.
Another object of the present utility model to provide a kind of molecular sieve device, by to this molecular sieve device, the high temperature helium flowed through in reactor obtains the environment in reactor, and then the firsthand data of high temperature gas cooled reactor radioactive level, also directly can know core activity release characteristic and initial release total amount by inference.
Especially, the utility model provides a kind of execution locking mechanism, wherein, comprising:
Pilot hole, to be positioned axial directional distribution, is recessed in the sidewall of described to be positioned;
Keeper, has extension, this extension can stretch in described pilot hole by described to be positioned locked and depart from described to be positioned unblock in described pilot hole.
Further, described pilot hole have described to be positioned axial direction extend the first groove, described keeper has first plug substantially identical with described first recess width;
When the described extension of described keeper stretches into described pilot hole, described first plug inserts in described first groove that described to be positioned to be carried out axis locked.
Further, described pilot hole also has the second groove extended at the axial direction of described to be positioned, and described first groove is positioned at the below of described second groove, and described second recessed width is greater than the width of described first groove; Described keeper also has second plug substantially identical with described second recess width, and described first plug is positioned at the below of described second plug;
When the described extension of described keeper stretches into described pilot hole, in described second groove of described second plug insertion, described to be positioned is carried out further axially locked.
Further, the circumferential outer peripheral of described pilot hole is wound with the outer ring that part covers described pilot hole, and described outer ring is fixedly connected on described to be positioned; Described keeper has the locating slot for holding described outer ring;
When the described extension of described keeper stretches into described pilot hole, described outer ring is placed in locked for described to be positioned radial direction in described locating slot.
Further, described outer ring extreme direction before described pilot hole.
Further, described pilot hole has the displaced segments moved axially for described keeper, described keeper in described displaced segments mobile described outer ring is placed in described locating slot or with its disengaging.
Further, the quantity of described pilot hole is multiple, and each described pilot hole is circumferentially distributed on the sidewall of described to be positioned, and the quantity of described keeper is one;
Each described pilot hole described to be positioned sidewall on circumference distribution.
Further, described keeper is pneumatically actuated, and described keeper activated and moves the radial direction of described to be positioned, stretches into or shift out described pilot hole.
Further, described to be positioned for being applicable to the connector of molecular sieve device;
Preferably, institute's connector entirety is cylindric;
Described fixture is the sample bucket being applicable to molecular sieve device.
According to another aspect of the present utility model, also provide a kind of molecular sieve device, it has the described execution locking mechanism of one of technique scheme.
The keeper of execution locking mechanism of the present utility model can stretch in pilot hole by described to be positioned locked and depart from described to be positioned unblock in described pilot hole, perform locking mechanism so just molecular sieve device to be fixed in sample bucket when sampling, and after sampling completes, make molecular sieve device depart from sample bucket.
This molecular sieve device of the present utility model is by the high temperature helium of reactor, molecular sieve device samples the environment obtained in reactor to high temperature helium, and then the firsthand data of high temperature gas cooled reactor radioactive level can be obtained, also directly can know core activity release characteristic and initial release total amount by inference.
According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the structural representation according to the utility model embodiment molecular sieve device;
Fig. 2 is the structural representation according to another embodiment molecular sieve device of the utility model;
Fig. 3 is the cut-open view according to the utility model embodiment molecular sieve device;
Fig. 4 is the structural representation according to another embodiment molecular sieve device of the utility model;
Fig. 5 is the structural representation after being combined with sample bucket according to the utility model embodiment molecular sieve device;
Fig. 6 is the A portion structure enlarged diagram according to Fig. 5;
Fig. 7 is the B portion structure enlarged diagram according to Fig. 5;
Fig. 8 is the schematic shapes of the first groove according to the utility model embodiment and the second groove;
Fig. 9 is the schematic diagram at the position, extension place of keeper according to the utility model embodiment;
Figure 10 be according to the utility model embodiment molecular sieve device and high temperature gas cooled reactor, through walls section, servo executive system, topworks location diagram.
Reference numeral in figure is as follows:
0-high temperature gas cooled reactor;
1-molecular sieve device;
100-housing, 101-sidewall, 102-housing forward end, 103-housing rear end, 104-container cavity, 105-inlet channel, 106-block piece, 107-molecular sieve, 108-outlet passageway, 109-venthole, 110-annular groove;
111-pilot hole, 111a-first groove, 111b-second groove;
112-seal, 113-pod apertures;
114-keeper, 114a-first plug, 114b-second plug, 114c-locating slot;
115-outer ring, 116-connector, 117-threaded hole, 118-groove, 119-bolt, 120-sample bucket, 121-sealing ring, 122-sealing strip, 123-sealing socket, 124-sealed inserted piece, 125-gas passage, 126-gives vent to anger port, 127-valve, 128-push rod, 129-seal groove, 130-diaphragm seal, 131-molecular sieve chamber, 132-filter chamber;
Through walls section of 2-;
3-servo executive system;
4-topworks.
Embodiment
The utility model provides a kind of molecular sieve device 1, this molecular sieve device 1 can be positioned over as shown in Figure 5 on the whole in microscler sample bucket 120 in high temperature helium is sampled, described molecular sieve device 1 consists essentially of housing 100, container cavity 104, inlet channel 105 and block piece 106.
Wherein, housing 100 is on the whole in microscler, and microscler housing 100 is convenient stores sieve particle and filtering particle, and the molecule particles needed in sieve particle energy absorbing high temp helium, filtering particle can filter high temperature helium.Microscler housing 100 has the microscler sidewall 101 extended along its length, and described housing 100 is distributed with housing forward end 102 and housing rear end 103 along its length.
Wherein, container cavity 104 is wrapped to form by described housing 100, and container cavity 104 is for holding molecular sieve 107.
Wherein, inlet channel 105 is arranged at described housing forward end 102, and communicates with described container cavity 104, and inlet channel 105 is for entering described container cavity 104 for described high temperature helium by described inlet channel 105.
Wherein, block piece 106 is arranged on described housing forward end 102, and block piece 106 departs from described molecular sieve device 1 for stoping described molecular sieve 107 from described housing forward end 102.In one embodiment, the parts that block piece 106 can be independent are also connected with housing forward end 102, and block piece 106 also can be that housing forward end 102 shrinks the reducing formed in other embodiments.
Before described high temperature helium is sampled, as shown in Figure 10, by topworks 4, described molecular sieve device 1 is positioned in described sample bucket 120; When sampling described high temperature helium, described molecular sieve device 1 flows through the described high temperature helium discharged by reactor.After described high temperature helium is sampled, by described topworks 4, described molecular sieve device 1 is departed from from described sample bucket 120.From foregoing description, topworks 4 provides a push-pull effort to be moved up the side that molecular sieve device 1 limits at sample bucket 120.
The molecular sieve device mentioned by above-described embodiment can make the high temperature helium of reactor pass through, molecular sieve device can sample to high temperature helium the environment obtained in reactor, and then the firsthand data of high temperature gas cooled reactor radioactive level can be obtained, also directly can know core activity release characteristic and initial release total amount by inference.
Shown in Fig. 3, described housing 100 is formed with the outlet passageway 108 communicated with described container cavity 104 running through described housing 100.Described outlet passageway 108 has the venthole 109 be arranged on housing 100, such as, on the sidewall 101 of housing 100.When described molecular sieve is placed in described container cavity 104, described venthole 109 is positioned at the rear side of described molecular sieve 107.The outside surface of described sidewall 101 is extended in described outlet passageway 108 direction that edge and described length direction have angle in described sidewall 101, and described outlet passageway 108 is for deriving the described high temperature helium after described molecular sieve 107 from described container cavity 104.In the embodiment shown in fig. 3, outlet passageway 108 is basic vertical with length direction, in other embodiments, as required outlet passageway 108 can also be set to other angle, such as, become the angle of 30 degree with length direction.It is significant to note that in this embodiment, outlet passageway 108 cools for being derived by high temperature helium, and then it is imported in reactor by other mechanism again, makes the air pressure in reactor return to the level before giving vent to anger as far as possible.In Fig. 4, the quantity of outlet passageway 108 is six, certainly in other embodiments also can for adjust according to air output or pressure dependence.In figure 3, described housing 100 entirety is microscler cylindric.Also can be such as through the rectangular parallelepiped of chamfering in other embodiments, the shape of housing 100 limited primarily of the inner space of sample bucket 120.
Observe Fig. 3 can also find, described housing 100 to be formed on described sidewall 101 distribution, the cross section of recessed described sidewall 101 is the annular groove 110 of arc, described outlet passageway 108 to be formed in the sidewall 101 at described annular groove 110 place and to connect with annular groove 110.Described annular groove 110 can be sealed by the associated seal 112 of as shown in Figure 5, described seal 112 is provided with the pod apertures 113 communicated with described outlet passageway 108.When sealed, be provided with space between described seal 112 and described pod apertures 113, such high temperature helium all enters in this space discharges through pod apertures 113 again.
As shown in Figure 4, the quantity of described outlet passageway 108 is six, can also be set to other quantity in other embodiments according to needing of giving vent to anger.And the quantity of pod apertures 113 is one, so conveniently a pressure mechanism is only set high temperature helium is imported in reactor again.
As Figure 1-Figure 5, described housing rear end 103 is connected with the connector 116 for being connected with described topworks 4, and the setting of connector 116 is convenient for changing the housing 100 after sampling, and ensures to manufacture connector 116 and right alignment during housing 100 respectively.Described connector 116 is substantially identical with the xsect of described molecular sieve device 1, and connector 116 entirety is cylindric, and when housing 100 entirety is in time cylindric, connector 116 has substantially identical diameter with housing 100.The front end of connector 116 is removably connected with described housing rear end 103, the rear end of connector 116 is removably connected with described topworks 4, this is because topworks 4 needs to provide longer part to carry out push-and-pull housing 100, this part is generally metal therefore weight is larger, if be positioned in sample bucket 120 and must cause very large burden to it, so after molecular sieve device 1 is positioned over sample bucket 120, this part needs to depart from molecular sieve replacement device 1.Connector 116 can exist as independent parts and produce, and need not be fixedly connected on housing 100 with in topworks 4.Connector 116 takes out for being connected molecular sieve device 1 to be positioned in sample bucket 120 or from sample bucket 120 with topworks 4 and housing rear end 103.For this reason, described connector 116 front end is provided with groove 118, and described molecular sieve 107 rear end to be inserted in described groove 118 and is removably connected with it by bolt 119.Other can certainly be selected to make both fixing structures bearing again axial weight, and the such as front end of connector 116 arranges the recessed portion that the rear end setting of housing 100 is assigned to insert in insertion section, and is fixed by bolt 119.Housing 100 inserts in the connector 116 that Fig. 3 and Fig. 5 provide, in topworks 4, housing 100 is transferred in the process of sample bucket 120 with topworks 4, the structure of the groove 118 of the rear end extension insertion connector 116 of housing 100 can make housing 100, connector 116 entirety sustains self larger weight, overall diameter can not be increased simultaneously, conveniently be positioned in sample bucket 120, bolt 119 then can prevent the circumferential displacement of housing 100 and connector 116.
In a simple embodiment, connector 116 can be any shape, as long as can in sample bucket 120.Because connector 116 needs to be positioned in sample bucket 120, the maximum cross section being designed to connector 116 is less than the minimum cross-section of sample bucket 120.Because sample bucket 120 is longer, consider that sealing and manufacture difficulty are so as far as possible one-body molded, straight-tube shape shown in Fig. 2 more reasonably selects, now in order to seal, to need connector 116 to be designed to cylindric, and basic identical with the internal diameter of sample bucket 120 in order to seal the external diameter needing connector 116, improve sealing property.Because the external diameter of connector 116 is basic identical with the internal diameter of sample bucket 120, enter in sample bucket 120 smoothly to make housing 100, as Figure 1-Figure 4, sealed inserted piece hereinafter described 124 and housing 100 junction arrange chamfering, sealed inserted piece 124 is set to inclined-plane with sealing place of sealing socket 123.
As shown in Figure 3 and Figure 5, described connector 116 rear end is provided with threaded hole 117, and described topworks 4 is removably connected with described threaded hole 117 by screw thread.Preferably, the front end of described threaded hole 117 is reducing shape.Preferably, the rear end of described threaded hole 117 is through chamfered.Described connector 116 front end is provided with groove 118, and the rear end of described molecular sieve 107 to be inserted in described groove 118 and is removably connected with it by bolt 119.It should be noted that, above-mentioned removably connection comprises buckle or screw thread, the preferred screw thread of the utility model, this is because topworks 4 needs through longer sample bucket 120, so topworks 4 needs to have longer part, be threaded more reliable and stable, serious forgiveness is higher.
Fig. 3 and embodiment illustrated in fig. 5 in, the front end of described threaded hole 117 is reducing shape.Described threaded hole 117 rear end, through chamfered, facilitates that topworks 4 is agonic to be entered in described threaded hole 117 like this, improves the reliability of connection.
Described housing 100 is formed with multiple sealing rings 121 of that distribute on described sidewall 101, recessed described sidewall 101, the sealing strip 122 of described sealing ring 121 all by embedding seals with described sample bucket 120.Preferably, described sealing ring 121 is distributed in the front-end and back-end of described connector 116 respectively, realizes double sealing.In Fig. 1-Fig. 5, sealing strip 122 has all been embedded in sealing ring 121.
Preferably, described sealing ring 121 is all positioned at the rear side of described outlet passageway 108, and whether so no matter leak gas above, high temperature helium all can not be spilt in air by sealing ring 121.In one embodiment, described sealing ring 121 is all positioned on described connector 116, is now siphoned away by high temperature helium by arranging getter device at pod apertures 113 place.As shown in Figure 1, described annular groove 110, described pilot hole 111, described sealing ring 121 are arranged in order along described length direction, and pilot hole 111 is in the position between two groups of sealing rings 121.
The using method of connector 116, comprises the steps:
S1, before described molecular sieve device 1 pair of high temperature helium samples, described connector 116 is connected with described molecular sieve device 1;
S2, described topworks 4 is connected with described connector 116, and now topworks 4 performs helical motion to be connected to threaded hole 117;
S3, described molecular sieve device 1 and described connector 116 are positioned in described sample bucket 120 by topworks 4;
S4, after described molecular sieve device 1 is fixed, described topworks 4 departs from described connector 116;
S5, after described molecular sieve device 1 samples described high temperature helium, described topworks 4 is connected with described connector 116;
S6, described molecular sieve device 1 and described connector 116 are dragged away from by topworks 4 from described sample bucket 120;
S7, departs from described connector 116 with described molecular sieve device 1.
As can be seen from above-mentioned steps, in sampling process, connector 116 is connected with housing rear end 103 all the time.After sampling completes, the housing 100 that bolt 119 more renews can be removed and be connected with connector 116.
According to connector of the present utility model and using method, molecular sieve device can take off from connector after finishing using, again the molecular sieve device more renewed can again to high temperature cold air to sampling and measuring, because connector can recycle, decrease measurement cost.Further, because molecular sieve device and connector are detachable design, such sealing and positioning function just can arrange on the connectors as much as possible, decrease the design cost as the molecular sieve device of consumable material and production cost, further reduce measurement cost.
See Fig. 7-Fig. 9, the utility model also provides a kind of and performs locking mechanism, performs locking mechanism and comprises:
Pilot hole 111, in the sidewall 101 of the axial directional distribution of the connector 116 shown in Fig. 3, recessed described connector 116.
Keeper 114, has extension as shown in Figure 9, and this extension can stretch in the pilot hole 111 shown in Fig. 8 and be unlocked in locked for described connector 116 and the described pilot hole of disengaging by described connector 116.Like this, perform locking mechanism when sampling and just molecular sieve device 1 can be fixed in sample bucket 120, and after sampling completes, make molecular sieve device 1 depart from sample bucket 120.In one embodiment, described keeper 114 is pneumatically actuated, described keeper 114 activated and the radial direction of described connector 116 shown in Fig. 3 moves and stretches into or shift out described pilot hole 111, and keeper 114 is fixedly connected with sample bucket 120 fixed part be used as when it moves.
In Fig. 7-embodiment illustrated in fig. 9, described pilot hole 111 has the first groove 111a and the second groove 111b that extend at the axial direction of described connector 116, and described keeper 114 has the first plug 114a substantially identical with described first groove 111a width and the second plug 114b substantially identical with described second recess width.Described first groove 111a is positioned at the below of described second groove 111b, and described first plug 114a is positioned at the below of described second plug 114b, and the width of described second groove 111b is greater than the width of described first groove 111a.When the described extension of described keeper 114 stretches into described pilot hole 111, in the described first groove 111a of described first plug 114a insertion, described connector 116 is carried out axis locked, in the described second groove 111b of described second plug 114b insertion, described connector 116 is carried out further axially locked.Certainly, in other embodiments, the first groove 111a and the first plug 114a or the second groove 111b and the second plug 114b also can be only set.
As shown in Figure 7, the circumferential outer peripheral of described pilot hole 111 is wound with the outer ring 115 that part covers described pilot hole 111, and described outer ring 115 is extreme direction before described pilot hole 111.Described outer ring 115 is fixedly connected on housing 100.Described keeper 114 has the locating slot 114c for holding described outer ring 115.When the described extension of described keeper 114 stretches into described pilot hole 111, described outer ring 115 is placed in described locating slot 114c described connector 116 is radial locked.
Especially, described pilot hole 111 has the displaced segments moved axially for described keeper 114, described keeper 114 in described displaced segments mobile described outer ring 115 is placed in described locating slot 114c or with its disengaging.Such as, this displacement can be provided by the elastic mechanism being arranged in connector 116.
The quantity of described pilot hole 111 is multiple, and each described pilot hole 111 is circumferentially distributed on the sidewall of described connector 116, and the quantity of described keeper 114 is one.In a preferred embodiment, each described pilot hole 111 described connector 116 sidewall on circumference distribution.
It should be noted that, connector 116 and molecular sieve device 1 can comprise execution locking mechanism, perform locking mechanism also to exist as an isolated system, thus execution locking mechanism of the present utility model may be used for carrying out device locked fixing, and the part need not be confined to as connector 116 and molecular sieve device 1 and existing.
See Fig. 5 and Fig. 6, described housing forward end 102 is connected with for carrying out with described reactor the packoff that seals on described length direction, described packoff comprises sealing socket 123 and the sealed inserted piece 124 that can be tightly connected with it in one embodiment, described packoff only comprises sealed inserted piece 124 in another embodiment, and sealing socket 123 departs from sealed inserted piece 124 as component and exists.Wherein, have the gas passage 125 flowed out for described high temperature helium in described sealing socket 123, described sealing socket 123 is fixedly connected with described reactor, and the port 126 of giving vent to anger of described reactor is placed within described sealing socket 123; Described sealed inserted piece 124 is fixedly connected with described housing forward end 102, and described inlet channel 105 is positioned on described sealed inserted piece 124.By this set, high temperature helium only enters container cavity 104 by inlet channel 105 as shown in Figure 2.In a preferred embodiment, the side of described sealed inserted piece 124 is provided with seal groove, in described seal groove, diaphragm seal 130 can be settled, by described diaphragm seal 130, described sealed inserted piece 124 and described sealing socket 123 are tightly connected.
In fig. 5 and fig., in described gas passage 125, there is valve 127, described valve 127 is set to when described valve 127 is opened, described high temperature helium is by described gas passage 125, when described valve 127 is closed, described high temperature helium is entered in sample bucket 120, air or molecular sieve device 1 by described valve 127 preliminary the prevention by described gas passage 125, and diaphragm seal 130 stops described high temperature helium to be entered in described sample bucket 120, air or molecular sieve device 1 by described gas passage 125 with the combination of sealed inserted piece 124 and sealing socket 123 further.Such as, described valve 127 is by pressure-actuated retaining valve, and described gas passage 125 seals based on the pressure of described high temperature helium by described retaining valve; Described sealed inserted piece 124 arranges push rod 128, and described push rod 128 is for providing the pressure being greater than described high temperature helium by described one-way valve opens, and this pressure of push rod 128 can be provided by topworks 4, and is substituted by keeper 114 and carry out above-mentioned locked.Or, only provided by the component of gravity of the molecular sieve device 1 self comprising connector 116, and substituted by keeper 114 and carry out above-mentioned locked.
Through designing ground especially, described sealing socket 123 is set to chamfering in sealing place, and described sealed inserted piece 124 is set to inclined-plane in sealing place, is conducive to sealing socket 123 like this and sealed inserted piece 124 seals.It is significant to note that, even if sealing socket 123 and sealed inserted piece 124 poorly sealed, arranging getter device at pod apertures 113 place can siphon away high temperature helium, and the cooperation of sealing ring 121 and sealing strip 122 also makes warm helium can not spill in air.
As shown in Figure 3, the molecular sieve 107 that the utility model relates to comprises the molecular sieve chamber 131 for holding sieve particle, and for holding the filter chamber 132 of filtering particle.In figure 3, before and after molecular sieve chamber 131, all there is a filter chamber 132, between molecular sieve chamber 131 and filter chamber 132, be provided with the pore passed through for high temperature helium.
One or more molecular sieve devices 1 that the utility model also provides a kind of the various embodiments described above to combine and formed.
Molecular sieve replacement device 1 of the present utility model is the direct measuring equipment to reactor, molecular sieve replacement device 1 of the present utility model can be used in the direct sample to reactor, it is conceivable that, a through hole such as communicated with molecular sieve chamber 131 can be offered on housing 100, release reactor internal environment by sampler, also this series products is not studied in the world at present.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. perform a locking mechanism, wherein, comprising:
Pilot hole (111), to be positioned axial directional distribution, is recessed in the sidewall (101) of described to be positioned;
Keeper (114), have extension, this extension can stretch in described pilot hole (111) and described to be positioned (114) be unlocked in locked to described to be positioned (114) and the described pilot hole of disengaging (111).
2. execution locking mechanism according to claim 1, wherein,
Described pilot hole (111) have described to be positioned axial direction extend the first groove (111a), described keeper (114) has first plug (114a) substantially identical with described first groove (111a) width;
When the described extension of described keeper (114) stretches into described pilot hole (111), described first plug (114a) inserts in described first groove (111a) that described to be positioned to be carried out axis locked.
3. execution locking mechanism according to claim 2, wherein,
Described pilot hole (111) also have described to be positioned axial direction extend the second groove (111b), described first groove (111a) is positioned at the below of described second groove (111b), and the width of described second groove (111b) is greater than the width of described first groove (111a); Described keeper (114) also has second plug (114b) substantially identical with described second recess width, and described first plug (114a) is positioned at the below of described second plug (114b);
When the described extension of described keeper (114) stretches into described pilot hole (111), described second plug (114b) insert in described second groove (111b) described to be positioned is carried out further axially locked.
4. execution locking mechanism according to claim 1, wherein,
The circumferential outer peripheral of described pilot hole (111) is wound with the outer ring (115) that part covers described pilot hole (111), and described outer ring (115) are fixedly connected on described to be positioned; Described keeper (114) has the locating slot (114c) for holding described outer ring (115);
When the described extension of described keeper (114) stretches into described pilot hole (111), described outer ring (115) are placed in locked for described to be positioned radial direction in described locating slot (114c).
5. execution locking mechanism according to claim 4, wherein,
Described outer ring (115) is near the front extreme direction of described pilot hole (111).
6. execution locking mechanism according to claim 4, wherein,
Described pilot hole (111) has for described keeper (114) displaced segments that moves axially, described keeper (114) in described displaced segments mobile described outer ring (115) is placed in described locating slot (114c) or with its disengaging.
7. execution locking mechanism according to claim 1, wherein,
The quantity of described pilot hole (111) is multiple, and each described pilot hole (111) is circumferentially distributed on the sidewall of described to be positioned, and the quantity of described keeper (114) is one;
Each described pilot hole (111) described to be positioned sidewall on circumference distribution.
8. execution locking mechanism according to claim 1, wherein,
Described keeper (114) is for pneumatically actuated, and described keeper (114) activated and moves the radial direction of described to be positioned, stretches into or shift out described pilot hole (111).
9. execution locking mechanism according to claim 1, wherein,
Described to be positioned for being applicable to the connector (116) of molecular sieve device (1);
Preferably, institute's connector (116) entirety is cylindric;
Described fixture is for being applicable to the sample bucket (120) of molecular sieve device (1).
10. a molecular sieve device (1), has the execution locking mechanism that one of claim 1-9 is described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646788.3U CN204926806U (en) | 2015-08-25 | 2015-08-25 | Carry out locking body and molecular sieve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646788.3U CN204926806U (en) | 2015-08-25 | 2015-08-25 | Carry out locking body and molecular sieve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204926806U true CN204926806U (en) | 2015-12-30 |
Family
ID=54975915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646788.3U Active CN204926806U (en) | 2015-08-25 | 2015-08-25 | Carry out locking body and molecular sieve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204926806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139906A (en) * | 2015-08-25 | 2015-12-09 | 天鼎联创密封技术（北京）有限公司 | Executing lock mechanism and molecular sieve device |
-
2015
- 2015-08-25 CN CN201520646788.3U patent/CN204926806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139906A (en) * | 2015-08-25 | 2015-12-09 | 天鼎联创密封技术（北京）有限公司 | Executing lock mechanism and molecular sieve device |
| CN105139906B (en) * | 2015-08-25 | 2017-05-10 | 天鼎联创密封技术（北京）有限公司 | Executing lock mechanism and molecular sieve device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9362009B2 (en) | Cross-section reducing isotope system | |
| CN107710333A (en) | Radioisotopic method is produced using heavy water type nuclear power station | |
| CN105139905B (en) | Gas supplementing system and high-temperature helium direct-sampling device | |
| US20220293291A1 (en) | Fuel channel isotope irradiation at full operating power | |
| CN204926806U (en) | Carry out locking body and molecular sieve device | |
| CN101582299A (en) | Irradiation target retention system, fuel assembly having the same, and method of using the same | |
| CN204926804U (en) | Molecular sieve device | |
| CN104919532B (en) | For giving the method and apparatus with the nuclear reactor refuelling that apparatus penetrates flange | |
| CN204911120U (en) | Connector suitable for molecular sieve device | |
| KR20170085583A (en) | Fuel assembly for an sfr nuclear reactor, comprising a housing containing a removably fastened upper neutron shielding device | |
| JP2020512545A (en) | Systems and processes for producing and recovering radioisotopes | |
| CN103035309A (en) | Target piece for producing isotope by using research reactor to irradiate and production process for target piece | |
| CN204926805U (en) | Direct sampling device of tonifying qi system and high temperature helium | |
| CN105139906A (en) | Executing lock mechanism and molecular sieve device | |
| CN204966063U (en) | Molecular sieve substitute means | |
| CN105161148A (en) | Connector suitable for molecular sieve device and using method | |
| CN105139904A (en) | Molecular sieve device | |
| CN103055623A (en) | Filtering collector | |
| CN107665745A (en) | A kind of high storage container for putting detector assembly | |
| CN206116028U (en) | Spentnuclear fuel dry -type shielding container | |
| CN105225713A (en) | Molecular sieve replacement device | |
| CN106482451B (en) | Vacuum drying and helium filling device for spent fuel storage and transportation container | |
| CN213632864U (en) | Nuclear power station radioactive waste gas sampling monitoring system | |
| CN210090197U (en) | Sealing device for sample and grouting base in triaxial muddy water splitting test | |
| CN203862049U (en) | Novel dust filter for high-temperature high-pressure radioactive helium environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |